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Finding the Fourth Proportional to 707,281.68, 976,069.76 and 435,506.32

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Solution

The fourth proportional to 707,281.68, 976,069.76 and 435,506.32 is: 601,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,281.68 : 976,069.76 = 435,506.32 : x
  2. Step 2: Convert to fraction form
    707,281.68/976,069.76 = 435,506.32/x
  3. Step 3: Cross multiply
    707,281.68x = 976,069.76 × 435,506.32
  4. Step 4: Simplify right side
    707,281.68x = 425,084,549,240.88
  5. Step 5: Solve for x
    x = 425,084,549,240.88/707,281.68
  6. Step 6: Final answer
    x = 601,011.68

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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.