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Finding the Fourth Proportional to 707,038.23, 975,710.94 and 384,748.23

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Solution

The fourth proportional to 707,038.23, 975,710.94 and 384,748.23 is: 530,951.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,038.23 : 975,710.94 = 384,748.23 : x
  2. Step 2: Convert to fraction form
    707,038.23/975,710.94 = 384,748.23/x
  3. Step 3: Cross multiply
    707,038.23x = 975,710.94 × 384,748.23
  4. Step 4: Simplify right side
    707,038.23x = 375,403,057,156.64
  5. Step 5: Solve for x
    x = 375,403,057,156.64/707,038.23
  6. Step 6: Final answer
    x = 530,951.57

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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.