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Finding the Fourth Proportional to 884,384.16, 1,220,482.80 and 502,475.64

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Solution

The fourth proportional to 884,384.16, 1,220,482.80 and 502,475.64 is: 693,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,384.16 : 1,220,482.80 = 502,475.64 : x
  2. Step 2: Convert to fraction form
    884,384.16/1,220,482.80 = 502,475.64/x
  3. Step 3: Cross multiply
    884,384.16x = 1,220,482.80 × 502,475.64
  4. Step 4: Simplify right side
    884,384.16x = 613,262,876,038.99
  5. Step 5: Solve for x
    x = 613,262,876,038.99/884,384.16
  6. Step 6: Final answer
    x = 693,434.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.